dataviz = None
for datavizToTest in pageToModify.Visuals:
    datavizToTest = datavizToTest.As[CrossTablePlot]()
    if((datavizToTest != None) and (datavizToTest.Title == jsonParam['general']['title'])):
        dataviz = datavizToTest
        break;

if(dataviz == None):
    dataviz = pageToModify.Visuals.AddNew[CrossTablePlot]()
    dataviz.AutoConfigure()
    dataviz.ApplyUserPreferences()